Home / 106,072.12-146,384.79-65,798.86

Finding the Fourth Proportional to 106,072.12, 146,384.79 and 65,798.86

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Solution

The fourth proportional to 106,072.12, 146,384.79 and 65,798.86 is: 90,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,072.12 : 146,384.79 = 65,798.86 : x
  2. Step 2: Convert to fraction form
    106,072.12/146,384.79 = 65,798.86/x
  3. Step 3: Cross multiply
    106,072.12x = 146,384.79 × 65,798.86
  4. Step 4: Simplify right side
    106,072.12x = 9,631,951,242.42
  5. Step 5: Solve for x
    x = 9,631,951,242.42/106,072.12
  6. Step 6: Final answer
    x = 90,805.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.